Name With Initial

Reg.No

Department

Eight litres of 40% acid solution is mixed with 12 L of 50% acid solution. What is the concentration of the resultant solution?

• 160 Liters
• 380 Liters
• 320 Liters
• 360 Liters

A and B are the two alloys of copper and brass prepared by mixing metals in the proportion of 7:2 and 7:11 respectively. If the equal quantities of two alloys are melted to form a third alloy called C, then the proportion of copper and brass in C will be

• 5:9
• 5:7
• 7:5
• 9:5

A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share?

• INR 500
• INR 1500
• INR 2000
• None of the above

Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The numbers are -

• 12, 20
• 15, 25
• 3, 5
• 18, 30

Rs.432 is divided among three workers A, B and C such that 8 times A's share is equal to 12 times B's share which is equal to 6 times C's share. How much did A get?

• Rs.192
• Rs.133
• Rs.144
• Rs.128

In a zoo, there are rabbits and pigeons. If heads are counted, there are 340 heads and if legs are counted there are 1060 legs.How many pigeons are there?

• 120
• 150
• 170
• 180

A bag contains 25, 50 and 10 paise in the ratio 6:4:9, amounting to Rs. 440. Find the number of coins of each type respectively.

• 600,400,900
• 900,600,400
• 500,250,700
• 250,500,700